# Angel3 Migration  [](https://dart.dev/null-safety) [](https://discord.gg/3X6bxTUdCM) [](https://github.com/dart-backend/angel/tree/master/packages/orm/angel_migration/LICENSE) This package contains the abstract classes for implementing database migration in Angel3 framework. It is designed to work with Angel3 ORM. Please refer to the implementation in the [ORM Migration Runner](<https://pub.dev/packages/angel3_migration_runner>) package for more details. ## Supported Features * Create tables based on ORM models * Drop tables based on ORM models * Add new tables based on ORM models ## Limitation * Alter table/fields based on updated ORM models is not supported